#include <stdio.h>

int Count_Digit ( const int N, const int D );
int main()
{
    int N, D;
	
    scanf("%d %d", &N, &D);
    printf("%d\n", Count_Digit(N, D));
    return 0;
}
int Count_Digit ( const int N, const int D )
{
  int a=N,num=0;
  if(a<0) a=-1*N;
  if(a==0) 
  if(D==0)return 1;
  else return 0;
  while(a!=0)
  {
    if(a%10==D) num++;
    a=a/10;
  }
  return num;
  
}
